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Alternative Title:Cable-Stayed Bridges a Compilation of Papers Presented at Engineering Symposium Cable-Stayed Bridges Pasco, Washington December 6–7, 1977
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Abstract:The objective of the symposium was to acquaint the engineering and construction professionals with the current state-of-the-art of this rapidly growing bridge concept in order to assess future thought, study, development, and practice. Although initial contemporary design and construction have predominantly occurred in Europe, currently there are cable-stayed bridges completed, under construction, and in design in the United States. The Pasco-Kennewick Bridge was in the final phase of superstructure assembly, allowing the symposium participants to view first-hand the erection of this unusual structure. The bridge, which has a main span of 981 feet, is the first large cable-stayed bridge project undertaken in the United States. The cable-stayed portion of the bridge (1,794 feet long) is a segmentally pre-stressed concrete girder 80 feet wide and only seven feet deep. It is freely suspended on cables utilizing a new cable system unused before in the United States. The symposium program, besides covering an in-depth review of the Pasco project, included reviews of all contemporary American cable stayed bridges in planning and design stages: the Meridian Swing Bridge in California; the Dame Point Bridge in Jacksonville, Florida; the Mississippi River Bridge at Luling, Louisiana; the East Huntington Bridge, West Virginia; the Weirton-Steubenville Bridge, West Virginia; and the Ruck-A-Chucky Bridge, California. Presentations were also made on the latest significant cable-stayed bridges in Europe the Oberkassel Bridge over the Rhein in West Germany; the Pont de Bretonne over the Seine in France; and the lightweight concrete long-span bridge proposal over the Rhein at Flehe-Dusseldorf, West Germany. Other topics on the program included: cable fatigue testing, cable manufacture, construction stress control procedures, contractor's critique of design, system dynamic response, and aerodynamic response. Professor Leonhardt gave a closing lecture on the future for the cable-stayed bridge systems.
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